Index: lutinutil/src/java/org/codelutin/util/VersionNumberConverter.java
diff -u /dev/null lutinutil/src/java/org/codelutin/util/VersionNumberConverter.java:1.1
--- /dev/null	Thu Jan  3 05:55:53 2008
+++ lutinutil/src/java/org/codelutin/util/VersionNumberConverter.java	Thu Jan  3 05:55:47 2008
@@ -0,0 +1,83 @@
+/* 
+* ##% Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Code Lutin,
+* Benjamin Poussin, Tony Chemit
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+* ##% */
+package org.codelutin.util;
+
+import org.apache.commons.beanutils.ConversionException;
+import org.apache.commons.beanutils.Converter;
+import static org.apache.commons.logging.LogFactory.getLog;
+import static org.codelutin.i18n.I18n._;
+
+/**
+ * classe pour convertir une chaine en un objet VersionNumber.
+ *
+ * @author chemit
+ * @see VersionNumber
+ */
+public class VersionNumberConverter implements Converter {
+
+    /** to use log facility, just put in your code: log.info(\"...\"); */
+    static org.apache.commons.logging.Log log = getLog(VersionNumberConverter.class);
+
+    public Object convert(Class aClass, Object value) {
+        if (value == null) {
+            throw new ConversionException(_("lutin.error.convertor.noValue", this));
+        }
+        if (isEnabled(aClass)) {
+            Object result;
+            if (isEnabled(value.getClass())) {
+                result = value;
+                return result;
+            }
+            if (value instanceof String) {
+                result = valueOf((String) value);
+                return result;
+            }
+        }
+        throw new ConversionException(_("lutin.error.no.convertor", aClass.getName(), value));
+    }
+
+    public VersionNumberConverter() {
+        log.info(this);        
+    }
+
+    protected VersionNumber valueOf(String value) {
+        try {
+            VersionNumber result;
+            String[] str = value.split("\\.");
+            if (str.length == 0) {
+                return new VersionNumber();
+            }
+            int[] numbers = new int[str.length];
+            for (int i = 0; i < str.length; i++) {
+                String number = str[i];
+                numbers[i] = Integer.valueOf(number);
+            }
+            result = new VersionNumber(numbers);
+            return result;
+        } catch (IllegalArgumentException e) {
+            throw new ConversionException(_("lutin.error.url.convertor", value, this, e.getMessage()));
+        }
+    }
+
+    protected boolean isEnabled(Class aClass) {
+        return aClass == VersionNumber.class;
+    }
+
+}
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